课件教程成果12.ayla scalability benchmark

1、Ayla Scalability BenchmarkApril 2015Ayla ConfidentialContentsOverviewBenchmark MethodologyResultsAyla ConfidentialAyla Cloud Service OverviewA distributed and highly available service Built to meet the performance and scalability requirements of IoT manufactures and consumersBuilt on the following c

2、ore principles:Scaling out rather than scaling up: No single point of failureStatelessness: All states stores in database. No session trackingDatabase: linearly scalable, fault tolerant, partition-ableEnables dynamically scaling from thousands to millions of devicesAyla ConfidentialBenchmark StudyTr

3、affic PatternsWeighted towards creation of data points generated from connected devicesRelated API calls account for 80% of service requestsAlways-on devices post data from sensors, their environment & usage patternsAyla ConfidentialBenchmark StudyEnvironmentAyla service runs on Amazon Web Services

4、(AWS); leverages auto-scaling capabilitiesPre-defined policies regarding load increases spawn additional serversServers scale up or down depending on scaling policiesDevices communicate with Ayla Device Service (ADS) through the AWS load balancerADS instances part if auto-scaling groupDatabase layer

5、 consists of 6-node Cassandra cluster deployed in different availability zones Replication Factor: 3Ayla ConfidentialBenchmark Service SetupElastic Load BalancerVirtual Private CloudADSADSADSAuto Scaling GroupAvailability Zones = 36 Node C* ClusterReplication Factor=3Availability Zones = 3Ayla Confi

6、dentialBenchmark Client SetupTest Client# of InstancesAWS Instance TypevCPUMem(Gib)StorageJmeter3m3.2xlarge8302 x 803 instance were used to simulate device traffic. Servers running in AWS in different regions to mimic real life traffic. Each Jmeter client ran 200 concurrent threads to generate traff

7、ic at different rates.Ayla ConfidentialBenchmark ResultsNumber of ADS ServersNumber of DevicesAyla ConfidentialBenchmark ResultsService Response Times# of InstancesService Response Time / Transaction470 ms1680 msSERVICE RESPONSE TIMES# of InstancesAverage Response Time (sec)42.482.5122.5162.8CLIENT

8、RESPONSE TIMES (Round-trip)Ayla ConfidentialAuto Scaling: Scaling up to handle spikesAyla ConfidentialAuto Scaling: Scaling down for normal opsAyla ConfidentialBenchmark ResultsSummaryAyla service delivers linear scalabilityThe more instances, the more transactions per minute it can supportNo upper limits to scalability were observedRobust response timesCan auto-scale to ha